package com.shang.dao;

/**
 * @ClassName UserDaoImpl
 * @Description TODO
 * @Author Larry
 * @Date 2021/5/20 13:50
 * @Version 1.0
 */
public class UserDaoImpl implements UserDao{
    @Override
    public int add(int a, int b) {
        System.out.println("add  方法执行---------------");
        return a + b;
    }

    @Override
    public String update(String id) {
        return id;
    }
}
